Patents by Inventor Hendrikus J. H. van der Mass

Hendrikus J. H. van der Mass has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of manufacturing anhydrous 2-hydroxy-3-chloropropane trimethylammonium chloride
    Patent number: 4450295
    Abstract: Process for manufacturing anhydrous 2-hydroxy-3-chlorophropane trialkylammonium chloride by conversion of trialkylammonium chloride with epichlorohydrin by forming an aqueous solution of trialkylammonium chloride in an organic solvent inert to epichlorohydrin, the solvent forming an azeotrope with ater which boils at temperatures up to the normal boiling point of the solvent, distilling off the azeotrope to form a suspension of trialkylammonium chloride in the solvent reaction product and reacting the reaction product in the solvent with epuichlorohydrin at a temperature of 20.degree. to 120.degree. C.
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: May 22, 1984
    Assignee: Chemische Fabriek Zaltbommel, B.V.
    Inventor: Hendrikus J. H. van der Mass